Sailor · 2010–2023

Jack Duffy

whyc Optimist College keelboat 420

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Events: 21
Win rate: 10%
Podium rate: 14%
Typically beats: 31%
Best class ranking: #535

Most successful partnership: Margaret Arocho
Best trio: Austin Brown & Margaret Arocho
Biggest lift: Keegan Chatburn
Longest-running crew: Margaret Arocho
Nemesis: Matthew Lopes
Rival: Austin Brown
Signature result: 1st of 7

Partnerships · 17 sailors

Most successful partnership: Margaret Arocho — 1 wins · 2 podiums in 6 events together · 17% win rate

Margaret Arocho · U. S. Coast Guard Academy (Bears 6) · College keelboat 6events 1 wins together · 2 podiums · 17% win rate · 4 of 24 races won Beat 47% of the fleet together(+11 vs. without) · best 1st · Oct 2017 – Oct 2017
Austin Brown · U. S. Coast Guard Academy (Bears 6) · College keelboat 6events 1 wins together · 2 podiums · 17% win rate · 4 of 24 races won Beat 47% of the fleet together(+11 vs. without) · best 1st · Oct 2017 – Oct 2017
Keegan Chatburn · C420, Keegan Chatburn · 420, Handicap 3events 0 wins together · 0 podiums · 3 events · 1 of 21 races won Beat 56% of the fleet together(+19 vs. without) · best 4th · Jul 2021 – Jul 2022
Katie Goldman · Rhumb Runner · Beneteau First 40.7 1events 0 wins together · 0 podiums · 1 events · 0 of 7 races won Beat 0% of the fleet together · best 11th · Aug 2010 – Aug 2010
Kristy Eriksen · Rhumb Runner · Beneteau First 40.7 1events 0 wins together · 0 podiums · 1 events · 0 of 7 races won Beat 0% of the fleet together · best 11th · Aug 2010 – Aug 2010
Lindsey Beukema · Rhumb Runner · Beneteau First 40.7 1events 0 wins together · 0 podiums · 1 events · 0 of 7 races won Beat 0% of the fleet together · best 11th · Aug 2010 – Aug 2010
Ryan Larson · Rhumb Runner · Beneteau First 40.7 1events 0 wins together · 0 podiums · 1 events · 0 of 7 races won Beat 0% of the fleet together · best 11th · Aug 2010 – Aug 2010
Brian Goldman · Rhumb Runner · Beneteau First 40.7 1events 0 wins together · 0 podiums · 1 events · 0 of 7 races won Beat 0% of the fleet together · best 11th · Aug 2010 – Aug 2010
Karl-Frederic Schweitzer · Club420 · 420 1events 0 wins together · 0 podiums · 1 events · 0 of 6 races won Beat 0% of the fleet together · best 14th · Jul 2020 – Jul 2020
Dan O'Connell · Rhumb Runner · Beneteau First 40.7 1events 0 wins together · 0 podiums · 1 events · 0 of 7 races won Beat 0% of the fleet together · best 11th · Aug 2010 – Aug 2010

Lift shows how much better this sailor finishes with that partner aboard.

Rating history

— Helm rating, full-size sailing · - - Crew rating, full-size sailing

Event history · 21

Date	Event	Boat	Class	Role	Finish
28 Jun 2023	Area K Sears Qualifier	Gromsquad	Handicap	Crew	1st / 3
14 Jul 2022	2022 Chubb U.S. Junior Sailing Championships Area K, Bemis Trophy and Smythe Trophy	C420	420	Other	7th / 15
27 Jun 2022	Club 420 Association New England Championship	Keegan Chatburn	420	Crew	56th / 71
29 Jul 2021	2021 Junior Race Week Presented by Chicago Yacht Club Foundation	Keegan Chatburn	Handicap	Crew	4th / 26
31 Jul 2020	2020 Junior Race Weekend Presented by Wintrust	Club420	420	Skipper	14th / 14
3 Oct 2017	J70 Tuesday Series #4	U. S. Coast Guard Academy (Bears 6)	College keelboat	A Crew	4th / 7
3 Oct 2017	J70 Tuesday Series #4	U. S. Coast Guard Academy (Bears 6)	College keelboat	A Crew	5th / 7
3 Oct 2017	J70 Tuesday Series #4	U. S. Coast Guard Academy (Bears 6)	College keelboat	A Crew	7th / 7
3 Oct 2017	J70 Tuesday Series #4	U. S. Coast Guard Academy (Bears 6)	College keelboat	A Crew	2nd / 7
3 Oct 2017	J70 Tuesday Series #4	U. S. Coast Guard Academy (Bears 6)	College keelboat	A Crew	6th / 7
3 Oct 2017	J70 Tuesday Series #4	U. S. Coast Guard Academy (Bears 6)	College keelboat	A Crew	1st / 7
18 Aug 2015	Beverly Junior Regatta	11366	Optimist	Skipper	71st / 90
13 Aug 2015	2015 Youth Invitational	11366	Optimist	Skipper	39th / 69
29 Jul 2015	Wianno Yacht Club Optimist Regatta 2015	11366	Optimist	Skipper	107th / 112
13 Jul 2015	20th Annual Stone Horse Yacht Club Opti x-treme Regatta	11366	Optimist	Skipper	29th / 90
6 Jul 2015	West Dennis Yacht Club Invitational	11366	Optimist	Skipper	35th / 64
12 Aug 2014	Beverly Junior Regatta	11366	Optimist	Skipper	64th / 86
7 Aug 2014	Youth Invitational	11366	Optimist	Skipper	36th / 47
23 Jul 2014	Wianno Yacht Club Optimist Regatta 2014	11366	Optimist	Skipper	77th / 89
18 Jul 2014	19th Annual Stone Horse Yacht Club Opti x-treme Regatta	none	Optimist	Skipper	65th / 90
20 Aug 2010	2010 Verve Cup Offshore Regatta	Rhumb Runner	Beneteau First 40.7	Other	11th / 11

Ratings

Class	Rating	Rank	Impact
Full-size sailing Helm	-268 provisional	#83612 band 77597–85062	—
Full-size sailing Crew	-84 provisional	#55527 band 44058–61994	—
Optimist Helm	-127 provisional	#15022 band 10549–16987	—
College keelboat Crew	12 provisional	#535 band 371–647	−0.3

3 more classes, not yet ranked

420 · Crew · 16 races, 2 events · rating 45
Beneteau First 40.7 · Crew · 7 races, 1 event · rating -156
420 · Helm · 6 races, 1 event · rating -187

Rank among sailors with a substantial record, all time. In brackets, the ranks this rating cannot be told apart from. Impact is the points of fleet beaten that this sailor adds.

Helm and crew

As helm	10 events	0 wins	beats 28%
As crew	11 events	2 wins	beats 50%

Positions: A Crew (6)

How they race

Closer	+3 pts	last race of an event vs. the rest
Comeback	−11 pts	the race after a bottom-half finish
Consistency	36%	100% = the same result every event
Big fleets	35%	of the fleet beaten
Small fleets	48%	of the fleet beaten

Head to head

Helm	Races	W–L
Austin Brown	120	60–60
Matthew Lopes	44	0–44
Pierce Sullivan	44	11–33
Marita Nothacker	39	3–36
Sam Duffy	39	34–5
Jack Welburn	39	0–39
Thibault Antonietti	35	0–35
James McCullough	35	1–34
Ben Wayne	33	9–24
Jack Murphy	33	17–16
Abby Wayne	33	7–26
Grace Cotoia	32	3–29

Most-beaten opponent: Sam Duffy (34–5).

Seasons

Year	Events	Wins	Beat
2023	1	1	100%
2022	2	0	39%
2021	1	0	88%
2020	1	0	0%
2017	6	1	47%
2015	5	0	37%
2014	4	0	23%
2010	1	0	0%

Boats

11366 · Optimist · 8 events · 2014–2015
U. S. Coast Guard Academy (Bears 6) · College keelboat · 6 events · 2017
Keegan Chatburn · 420, Handicap · 2 events · 2021–2022
Gromsquad · Handicap · 1 events · 2023
C420 · 420 · 1 events · 2022
Club420 · 420 · 1 events · 2020
none · Optimist · 1 events · 2014
Rhumb Runner · Beneteau First 40.7 · 1 events · 2010

Where they race

Osterville, MA · 3 events
Harwich Port, MA · 2 events
Chicago, IL · 2 events
Marion, MA · 2 events
HYANNIS, MA · 2 events
Coast Guard · 1 events

Is this you?

Claim it to merge duplicates and remove results that aren’t yours. Changes apply at the nightly rebuild.

Helm rating, Full-size sailing: -268, #83,612.Crew rating, Full-size sailing: -84, #55,527. Compiled from public results; not an official ranking.